Aerospace Ground Equipment Journeyman Common AGE Systems. Edit Code 05.
Oil pressure switch.
Burner control unit.
Heat control switch.
Thermostatic sensor.
A heat setting is selected.
Constant flame is established.
The temperature gauge reads cool.
The inside temperature reaches 140 degrees F.
During the engine start up with the ignition switch in PREHEAT position.
Never, as it will result in serious engine damage.
When the temperature gauge reads COOL.
When ambient temperature is below 32 degrees F.
Without first talking with the operator.
Without first consulting your supervisor.
Unless accurate technical data is available.
Unless in the presence of an experienced mechanic.
British thermal unit.
Sensible unit.
Specific heat.
Latent heat.
Super heat.
Latent heat.
Specific heat.
Sensible heat.
Sensible heat.
Specific heat.
Super heat.
Latent heat.
Pressure increases, it raises the boiling point.
Pressure increases, it lowers the boiling point.
The boiling point increases, it raises the pressure.
The boiling point increases, it lowers the pressure.
Temperature of the vapor.
Type of heat transfer.
Moisture in the air.
Pressure applied.
Blower control switch.
Airflow control switch.
Evaporator control switch.
Temperature control switch.
Liquid refrigerant.
Gaseous refrigerant.
Pure water solution.
Ethylene glycol/water solution.
Low pressure gas.
High pressure gas.
Low pressure liquid.
High pressure liquid.
Heatsink coils.
Condenser coils.
Evaporator coils.
Receiver inlet valve.
30 psi oil pressure is registered on the engine oil pressure gauge.
You release the start switch.
The engine warms up.
The engine starts.
Air cooler fan.
Air volume controller.
Temperature controller.
Temperature control knob.
Low pressure cutout.
High pressure cutout.
Temperature controller.
Temperature control switch.
Inward leaks.
Vacuum leaks.
Pressure leaks.
Outward leaks.
To use vacuum pumps.
To use the HCU.
The output air is between 150°F – 185°F.
The refrigerant has become a low-pressure vapor for compressor use.
A air compressor fan only.
An expansion turbine only.
A heat exchanger and an expansion turbine.
An expansion turbine and a compressor fan.
Compressor.
Heat exchanger.
Expansion turbine.
Temperature controller.
Ensure the engine is at governed speed before engaging compressor.
Allow the oil and discharge pressures to stabilize.
Defrost the evaporator.
Build-up oil pressure.
Condensing refrigerant absorbs heat from the air stream.
Boiling refrigerant absorbs heat from the air stream.
Condensing refrigerant looses heat to the air stream.
Boiling refrigerant looses heat to the air stream.
Defrost.
Heat boost.
Vapor injection.
Liquid injection.
Air shutoff.
Fuel shutoff.
Coolant control.
Refrigerant flow.
Permit refrigerant pressure to equalize.
Perform maximum refrigerant pump down.
Place heating/cooling switch in HEATING position.
Place the reversing valve lever in the HEATING position.
Wait!
Here's an interesting quiz for you.